Add optional category subtitle to chips

src/elements/ShowChips.svelte

@@ -14,6 +14,8 @@
     let catChip = []
     catChip.id = category.id
     catChip.name = category.name.trim()
+    if (category.subtitle && category.subtitle.trim())
+      catChip.name += " | " + category.subtitle
     catChip.type = 'category'
     chips.push(catChip)